#665E1F#665E1F

#665E1F is a mid, moderate yellow. Relative luminance 0.109; OKLCH L 47.6% C 0.083 H 102.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#665E1F
RGB	rgb(102, 94, 31)
HSL	hsl(53, 53%, 26%)
HSV	hsv(53, 70%, 40%)
CMYK	cmyk(0%, 7.8%, 69.6%, 60%)
CIE-LAB	lab(39.46, -5.16, 35.94)
CIE-LCH	lch(39.46, 36.31, 98.17°)
OKLab	oklab(47.64% -0.0173 0.0812)
OKLCH	oklch(47.64% 0.083 102)
XYZ	xyz(9.7299, 10.9295, 2.8931)
Luminance	0.1093 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665E1F #1F2766

analogous

#663A1F #665E1F #4A661F

triadic

#665E1F #1F665E #5E1F66

tetradic

#665E1F #1F663A #1F2766 #661F4A

square

#665E1F #1F663A #1F2766 #661F4A

split-complementary

#665E1F #1F4A66 #3A1F66

monochromatic

#171607 #373311 #665E1F #95892D #C4B43C

Accessibility & contrast

On white

6.59

#665E1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#665E1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665E1F

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665E1F	#FFFFFF	#000000	##FFFFFF
##665E1F	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B17

Deuteranopia (green-blind)

#695E23

Tritanopia (blue-blind)

#6E5751

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #665e1f;
/* rgb */ color: rgb(102, 94, 31);
/* oklch */ color: oklch(47.6% 0.083 102.0);

Tailwind

colors: {
  custom: {
    50: '#948b5e',
    500: '#665e1f',
    950: '#000000',
  },
}

SCSS

$custom: #665e1f;
$custom-light: #948b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#665e1f",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 31
  },
  "hsl": {
    "h": 53.239,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.47635,
    "c": 0.08305,
    "h": 102
  },
  "luminance": 0.10929
}

Semantic roles & 50–950 ramp

primary

#665E1F

secondary

#46509A

accent

#5BDD4B

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #665E1F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →